Wagner Borges Magalhaes Posted April 14, 2019 Share Posted April 14, 2019 NVR Hickvision is best. Quote Link to comment Share on other sites More sharing options...
lukas.polivka Posted May 11, 2019 Share Posted May 11, 2019 On 3/16/2017 at 5:43 AM, ERDrPC said: Door video intercom Why can't C4 license crestron's SIP protocol or further develop their own. Actually Control4 has been using SIP for their intercom since the beginning. There's even a generic SIP client driver provided by Control4 and a generic SIP door station driver provided by an external developer. SIP is not Crestron's protocol at all. It's an open IETF standard/spec. https://tools.ietf.org/html/rfc3261 msgreenf 1 Quote Link to comment Share on other sites More sharing options...
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